Electra PXD912 Service Manual page 30

PERFORMANCE DATA & PRESSURE CURVES
5.7.2 Heating Mode at 7.5m Tubing Connection.
230V : Indoor Fan at High Speed.
ENTERING AIR
WB OU COIL (°C)
-10
-7
-2
10
15
20
*
the above chart includes the weighted deicing infleuence.
LEGEND
TH – Total Heating Capacity, kW
PI – Power Input, kW
WB – Wet Bulb Temp., (
DB – Dry Bulb Temp., (
ID – Indoor
OU – Outdoor
5.8 Capacity Correction Factor Due to Tubing Length
5.8.1 Cooling
3m 7.5m
1.02
*
Minimum recommended tubing length between indoor and outdoor units is 3m.
5.8.2 Heating
3m
7.5m
1.04
*
Minimum recommended tubing length between indoor and outdoor units is 3m.
5-10
15
TH
2.36
2.54
2.70
2 3.29
6 4.64
5.04
5.45
5.74
o
C)
o
C)
TOTAL TUBING LENGTH
10m 15m
1 0.984 0.946
TOTAL TUBING LENGTH
10m 15m
1 0.995 0.971
CONTENT
ENTERING AIR DB ID COIL ( °C)
20
PI TH
1.10 2.27
1.13 2.45
1.15 2.61
3.15
1.20
1.29 4.50
1.36
4.91
1.42 5.31
1.46 5.60
20m 25m 30m
--- --- ---
20m 25m 30m
--- --- ---
25
PI TH
1.18 2.18
1.19 2.36
1.21 2.52
1.28
3.02
1.38 4.34
4.77
1.46
1.53 5.18
1.59 5.45
40m 50m
--- ---
40m 50m
--- ---
SM PXD 1-E.3 GB
PI
1.24
1.26
1.28
1.35
1.47
1.56
1.63
1.71